/* 添加移动端特定样式 */
.mobile-device .upload-btn {
    padding: 12px 16px;
    font-size: 14px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    margin: 8px 5px;
    flex: 1;
    min-width: 0;
}

.mobile-device .button-group {
    width: 95%;
    display: flex;
    justify-content: space-between;
}

.mobile-device .upload-header {
    font-size: 24px;
    padding-top: 64px;
}

.mobile-device .upload-area {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 150px;
}

.mobile-device .image-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.mobile-device .visualization-content {
    grid-template-columns: 1fr;
}

.mobile-device .device-hint.mobile-hint {
    display: block;
}